ARMSTEAD, H. C. H. (1983). Geothermal energy: Its past, present and future contributions to the enrgy needs of man Second ed.2. E & F.N. Spon.
Chicago Style (17th ed.) CitationARMSTEAD, H. Christopher H. Geothermal Energy: Its Past, Present and Future Contributions to the Enrgy Needs of Man Second Ed.2. E & F.N. Spon, 1983.
MLA (8th ed.) CitationARMSTEAD, H. Christopher H. Geothermal Energy: Its Past, Present and Future Contributions to the Enrgy Needs of Man Second Ed.2. E & F.N. Spon, 1983.
Warning: These citations may not always be 100% accurate.